• Minecraft 1.20
• Rechiseled 1.1.0 & 1.1.0a
• Optifine 1.20 HD U I5 pre5

Causes all characters to display as "▯"
https://i.imgur.com/6LE5tHz.png

Nothing I can do about this. Rechiseled does nothing related to fonts whatsoever 🤷‍♂️ OptiFine is closed source, so I can't know what they are doing.

You can either complain to OptiFine or just use a shader alternative like Oculus or Iris.